Lubricating loose wheels.



No. 798.923. PATENTED JULY L, 1905. I DEUTSGH.

LUBRIGATING LOOSE WHEELS.

APPLIUATION FILED MAY 25, 1904.

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Patented July 4t, 190th rarest Wi l with lltiilUOlt DEllllSOll, OilllUNllilEAlQ, ()AN A DA, ASSlGNOli. TO EL'FXTPItlU A ND CORPORATION OFCANADA.

BPEOIJEICATION formingpart of Letters Patent No. 793,923, dated July t,1905.

Application filed May 25,1904. Serial No. 209,691.

To (If l whom, it 'llMl/j/ (117710017113 lie it known that I, .lsrnonDm'u'rseu, a citizen of the United States, residing at ll lontreal, inthe district of h loi'itreal, in the lh'ovinee of Quebec, Canada, havein veiiited certain new and useful Improvements in l evices forLubricating Loose vVhecls, of which the following is a s 'iecilication.

My iuventimi relates to improvements in devices :for lubricating loosewheels; and the object of the invention is to obviate the necessity ofconstant attention to the lubricat' ing of wheels turning freely on ashaft and to devise a simple and cheap construction whereby it will beless expensive to maintain the bearing in proper condition under severeservice; and it consists, essentially, of a circular casing forming amain oil-chamber and snliistantially integral with a wheel, a shaft, onwhich said wheel turns, partially hollowed to form an interioroil-chamber, a pan secured at the opening to said interior chamber, anda rigid rod projecting upwardly from within the pan, the various partsbeing constructed and arranged in detail, as hereinafter moreparticularly described.

ltigure 1. is a sectional view of a gear mechanism mounted on an axlel'laving a pinion turning freely on a lixed shaft and attached to saidpinion my luln'icating device. Fig. 2 is a View showing the interior ofthe oil-ehamber contained within the circular casing and the means fordirecting the How of the oil. ll igs. 3 and 4. are detail views.

liihe characters of reference indicate corresponding parts in eachligure.

in the following] shall describe this device as applied to a pinionturning freely on a lixed shaft, though it must be understood that l donot conline it to this particular use.

(I is a shaft projecting from a supportingplate I) and integraltherewith. The said shaft rt is partially hollowed from its outer end,forming an interior chamber 0. (Z is a passage leading downwardlythrough the wall of said hollowed portion.

(1 is a pinion having a hubf, and 1s a bushing intm'posed between theshaft 1/ and the hnbf' and rotating with said hub and pinion.

i represents lugs formed at the outer end of said bushing and preferablyforming part therewith.

is a circular casing containing the main oil-chamber and secured to thehubf or in preferable construction forming part therewith.

Z: is a removable cover for the circuh'ir casing j, having the openingsl therethrmigh and closureplugs m.

/r is a universal joint centrally secured to the removable cover K' andfrom which a shaft exteruls in thisparticular form of the device.

n represents rigid posts extcndirng' from the rear face of the pinion (aand through corresponding orilices in the circular casing and in thelugs '11 and having the reduced threaded outer ends 0, on which theretaining-nuts p are secured.

(7 represents rigid posts extending from the rear face of the pinion andthrough corresponding orifices in the circular casing and having theirouter ends threaded, on which are placed retaining-nuts. The circularcasing is thus made substantially integral with the pinion.

s represents tapered passages through the pinion, formed by slotting thehubf at intervals circumferentially and leading from the thrust portionZ of the lmaring into the main oil-chamber.

'u is a retaining-nut for the pinion 1', placed on the threzuled outerend of the shaft 11 where it projects into the main oil-chamber.

n is a pan, preferably of cnp-shaped form, having a tulgiular extension1/ inserted in the openil'ig at the end of shaft rl, leading to theinterior chamber 0 and acting as a support for said pan.

:1: isa rigid rod secured centrally in the pan a, projecting upwardlyand terminating in proximity to the wall of the main oil-chamber. j/ isa wing secured to or forming part with said pan and extending therefrom,law-- ing an orifice through which is inserted a suit able cap'screw Thecap-screw .2 is inserted into a threaded hole made between the saidshaft and the said nut, thus holding the pan v; securely in its upwardposition and also locking the nut. As shown in Fig. 3, the screw entersan opening or passage 2, formed partially in the retaining-nut u. andpartially in the shaft (4. It will thus be seen that the screw acts bothto secure the pan to the shaft and also as a lock for the nut 1/. Ascrew 3 is arranged diametrically opposite the screw in a passage L,formed in the same manner as the passage 2-, above referred to, and lidscrew 3 constitutes a further means forloclcing the nut 1/, butdoes notin the form shown support the pan.

The successful operation of this device is dependent upon thecentrifugal force gained by the rotation of the pinion, with thecircular casing secured th'ercto containing the main oil-chamber. Themain oil-chamber is partially filled with oil, and as thecasing revolvesthis oil is swished to the sides of the chamber, and as the speedrevoluticm increases the oil is whirled round, clinging to the circularwall of the chamber. The rigid rod projecting upwardly from the pan atthe end of the shaft obstructs the passage of the oil to a snliicientextent to divert a stream of the said oil down the peripheryor sides ofthe rod into the pan from which said rod projects. he oil on reachingthe pan flows through the tubular extension therefrom into the interioroil-chant her in the shaft and from therepasses through the hole inthewall of the interior oil-chamto the periphery of the shaft or, in others, to the bearing to be lubricated. The ion of the wheel distributes theoil .1 eughout the bearing, and all of the oil colit the inner thrustportion of the bearthrough the pinion, and as these passages are taperedthe oil must continue therethrough and empty into the main oil-chamber,thus returning to the starting-point.

The salient features of this invention consist in the utilization ofcentrifugal force with parts so arranged that obstruction of thecontinuous passage of oil is not likely to occur, and it is mainly withthis object in view that 1 have adopted a simple rod to divert the oilin a new direction and into a pan which forms the receptacle from whichthe oil flows through a fairly large opening into the hollowed shaft.

The device as shown in the d rawings forming part with thisspecification is particularly applicable to a gear mechanism in whichthe driving-pinion rotates a shaft. In this form of my device theadvantages are manifest. For instance, circular oilchamber having aremovable cover may have a universal joint secured to said cover and ashaft projecting thcrethrough to the machine to be operated.

This provides a most convenient construction, the shaft may be uncoupledand the pinion and oil-chamber removed from the shaft and the bearingexamined or repairs made without in any way affecting the assembledparts. Further, the cover may be removed from the main oil chamberwithout uncoupling the shaft and the lubricating arrangement inspectedor repaired in a very few minutes. This convenience of inspection andrepair are particularly applicable to electric train-lighting deviceslocated under the cars, and therefore subject to very severe conditions,rendering inspection of the parts necessary at frequent intervals.

The passages through the pinion are herein shown as being formed byslotting the hub, but itmust )e understood that withoutdeparting fromthe spirit of my invention the tapered passages may be made from theinner thrust portion of the bearing to the main oilchamber in anysuitable manner.

What I claim as my invention is 1. The combination with a fixed shaftand a wheel mounted to turn on said shaft, of a lubricating devicecomprising a casing connected with the wheel to rotate therewith andforming a luliricant-chamber, a pan supported stationaril y within saidcasing by the shaft and communicating with a passage extending to thebearing of the wheel on the shaft, and a rod of less diameter than thespace within the pan having one end secured within said pan and itsother end extending radially into the luln'icant-chambcr, substantiallyas and for the purpose described.

*2. The combination with a fixed shaft and a wheel mounted to turn onshaft, of a inbricating device comprising a casing; connected with thewheei to rotate therewith and forming a lulMeant-chamber, a pan supported statienarily within said casing by the shaft and communicating with apassage extending to the bearing of the wheel on the shaft, and a solidrod secured at one end within said pan and having its other endprojecting, from said pan into the lubricant-chamber at an angle to theaxis of the shaft, substantially as and for the purpose described.

3. The combination with a fixed shaft and a wheel mounted to turn onsaid shaft, of a lubricating' device conmrising a casing connected withthe wheel to rotate therewith and forming a luliricant-chainber, a rodmounted at the end of the shaft within the casing and extending radiallytherefrom, and means for conducting, lubricant collected on the exteriorof said red, as the wheel rotates, from the inner end thereof tothebearing of the wheel on the shaft.

at. The combination with a lixed shaft and a wheel mounted to turn onsaid shaft, of a lubricating device comprising a casing connected withthe wheel to rotate therewith and forming a lubricant-chamber, a rodmounted IXO at the end ol the shaft within the casing and extendingradially therefrom, and a receptaele, open at its upper side,surrounding the lower portion ol said rod to receive lubrioant eolleetedon the exterior of the rod as the Wheel rotates, said receptacleeommunieatixm' with a passage leading through the shaft to the wheelbearing thereon.

5. The combination with a fixed shaft and a wheel mounted to turn onsaid shaft, of a lubrieating device comprising a casing connected withthe wheel to rotate therewith and forming, a lubricant-ehamber, saideasing having a removable cover or face-plate, a rod mounted at the endof the shaft within the treal, in the Province of Quebec, Umiada, this23d day of May, 1904;.

IS] DUE UEUTSCl-l.

\Vitnesses:

J, E. L. l LACKhIOHE, \V. P. Kine.

